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Counting Atoms Self Check

Last updated 10 months ago
16 questions
Practice Problems

DIRECTIONS

Use your counting atoms practice worksheet to answer the questions below

Make sure the TOTAL number of atoms in the molecule matches the total listed on the worksheet

There is an OPTIONAL challenge question at the end that you must get 100% correct in order to get an AD for effort on this assignment
Required
6
How many atoms of each element are in the following molecule?


Na: _______
C: _______
O: _______
Required
6
How many atoms of each element are in the following molecule?


K: _______
Cr: _______
O: _______
Required
6
How many atoms of each element are in the following molecule?


N: _______
H:_______
C: _______
O: _______
Required
6
How many atoms of each element are in the following molecule?


Pb: _______
N:_______
O: _______
Required
6
How many atoms of each element are in the following molecule?


Ca: _______
P:_______
O: _______
Required
6
How many atoms of each element are in the following molecule?


Ba: _______
Cl:_______
Required
6
How many atoms of each element are in the following molecule?


Al: _______
C:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


N: _______
H:_______
Cr:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


Al: _______
O:_______
H:_______
Required
6
How many atoms of each element are in the following molecule?




Mg: _______
O:_______
H:_______
Required
6
How many atoms of each element are in the following molecule?




Al: _______
S:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


Zn: _______
S:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


N: _______
H:_______
P:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


Ca: _______
C:_______
H:_______
O:_______
Required
6
How many atoms of each element are in the following molecule?


Sr: _______
P:_______
O:_______
CHALLENGE QUESTION!
10
Add coefficients, subscripts, and brackets to the molecule so that you have:
10 Aluminum (Al)
75 Sulfur (S)
60 Oxygen (O)

YOU WILL NEED TO USE ALL PARTS IN THE DRAG AND DROP BOX
______ Al_________________ ______ S________________ O________________ ______ ________________
Other Answer Choices:
subscript 4
subscript 5
5
subscript 3
)
subscript: 2
(